Home / 62,562.30-93,823.80-20,432.78

Finding the Fourth Proportional to 62,562.30, 93,823.80 and 20,432.78

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Solution

The fourth proportional to 62,562.30, 93,823.80 and 20,432.78 is: 30,642.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,562.30 : 93,823.80 = 20,432.78 : x
  2. Step 2: Convert to fraction form
    62,562.30/93,823.80 = 20,432.78/x
  3. Step 3: Cross multiply
    62,562.30x = 93,823.80 × 20,432.78
  4. Step 4: Simplify right side
    62,562.30x = 1,917,080,985.20
  5. Step 5: Solve for x
    x = 1,917,080,985.20/62,562.30
  6. Step 6: Final answer
    x = 30,642.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.